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cs.CR2026
PhotoFinish: Portable Timerless Probing of Microarchitectural Latencies
Tristan Hornetz, Eduard Ebert, Lorenz Hetterich +2
Timing measurements are a fundamental building block of microarchitectural attacks, enabling software to convert otherwise invisible latency differences into architectural observat…
cs.CR2023
Reviving Meltdown 3a
Daniel Weber, Fabian Thomas, Lukas Gerlach +2
Since the initial discovery of Meltdown and Spectre in 2017, different variants of these attacks have been discovered. One often overlooked variant is Meltdown 3a, also known as Me…
cs.CR2023
Indirect Meltdown: Building Novel Side-Channel Attacks from Transient-Execution Attacks
Daniel Weber, Fabian Thomas, Lukas Gerlach +2
The transient-execution attack Meltdown leaks sensitive information by transiently accessing inaccessible data during out-of-order execution. Although Meltdown is fixed in hardware…